Ataxioceratidae

Ataxioceratidae Temporal range: from Jurassic to Cretaceous, 161.2–140.2Ma PreꞒ Ꞓ O S D C P T J K Pg N [1]
Fossil of Lithacoceras achilles from France, on display at Galerie de paléontologie et d'anatomie comparée in Paris
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Cephalopoda
Subclass:	Ammonoidea
Order:	Ammonitida
Superfamily:	Perisphinctaceae
Family:	Ataxioceratidae Buckman 1921

Ataxioceratidae is an extinct Ammonite cephalopod genus included in the superfamily Perisphinctaceae. These fast-moving nektonic carnivores lived during the Jurassic and Cretaceous periods. ^[1]

Genera

^[1]

• Catutosphinctes
• Choicensisphinctes
• Katroliceras
• Lithacoceras
• Lithacosphinctes
• Orthosphinctes

Distribution

Fossils of species within this genus have been found in the Cretaceous of Yemen, as well as in Jurassic sediments of Antarctica, Argentina, Canada, China, Cuba, France, Germany, Hungary, India, Iran, Italy, Madagascar, Nepal, Somalia, Spain, United States.^[1]

References